| SR 88 | |
|---|---|
| Type | Assault rifle |
| Place of origin | Singapore |
| Service history | |
| In service | 1984–2000 [1] |
| Used by | See users |
| Wars | Bougainville conflict Solomon Islands conflict |
| Production history | |
| Designer | Chartered Industries of Singapore (CIS, now ST Kinetics) [1] |
| Designed | 1978 [1] |
| Manufacturer | • CIS: 1982–2000 [1] |
| Produced | • SR 88: 1988-1995 [1] • SR 88A: 1990-2000 [1] |
| Variants | See variants |
| Specifications | |
| Mass | • SR 88: 3.68 kg (8.11 lb) [1] • SR 88A/Carbine: 3.7 kg (8.16 lb) [1] |
| Length | • SR 88: 912 mm (35.9 in) [1] • SR 88A: 960 mm (37.8 in) [1] • SR 88A Carbine: 810 mm (31.9 in) [1] |
| Barrel length | 460 mm (18.1 in) [1] |
| Cartridge | 5.56×45mm NATO [1] |
| Caliber | 5.56 mm (0.22 in) [1] |
| Barrels | Single barrel (progressive RH parabolic twist, 6 grooves) [1] |
| Action | Gas-operated long-stroke piston, rotating bolt |
| Rate of fire | • SR 88: 750 rounds/min [1] • SR 88A: 800 rounds/min [1] |
| Feed system | 30-round STANAG Magazine [1] |
| Sights | Iron sights [1] |
The SR 88 (Singapore Rifle 88) is an assault rifle designed and manufactured in Singapore by Chartered Industries of Singapore (CIS, now ST Kinetics). [1]
Following the poor sales of the SAR 80, and with their involvement with the Sterling SAR-87, CIS came up with an improved design – the new SR 88. Many of the parts and mechanisms are similar to its predecessor. Later production models were further improved with higher quality materials including a new handguard and buttstock, this version was designated the SR 88A.
The SR 88A was built in two versions, the standard model and the latest carbine model which is a heavy-duty mil-spec version with a shorter barrel and a retractable butt-stock popularly called today as the "baby ultimax" because of its overall shorter length and function and frame similarities with the Ultimax 100. Its magazine catch will accept a regular M16 magazine and a C-mag which is also used in M16 rifles. [1]
It uses long-piston-stroke, gas-operated action with a rotating bolt. The gas piston and gas cylinder are chromium-plated. The gas system features a three position gas regulator – two open positions, for normal and harsh conditions, and one closed for launching of rifle grenades. [1]
The barrel is equipped with flash hider, which also serves as a rifle grenade launcher. The lower receiver is an aluminium forging, and the upper receiver is made from stamped steel. [1]
Furniture (stock, pistol grip, handguards) is made from plastic materials. The standard stock is of fixed type, but the SR 88 is also available with a side-folding stock. The side-folding carrying handle is mounted at the forward end of the receiver. [1]
Papua New Guinea: Papua New Guinea Defence Force [2] and Royal Papua New Guinea Constabulary with the SR88A. [3] 
Bougainville: Used by Bougainville Revolutionary Army. Captured from Papua New Guinea Defence Force.[ citation needed ]
Philippines: Philippine Marine Corps [4] 
Singapore: Singapore Armed Forces. [5] 
Slovenia: Slovenian Armed Forces.[ citation needed ]
Solomon Islands: Royal Solomon Islands Police Force [2] 
Somalia [6] 
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